Differential D37973 Diff 115303 usr.sbin/wtapctl/wtapctl.h

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usr.sbin/wtapctl/wtapctl.h

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				/*-
				* SPDX-License-Identifier: BSD-2-Clause
				*
				* Copyright (c) 2023 The FreeBSD Foundation
				*
				* This software was developed by En-Wei Wu under sponsorship from
				* the FreeBSD Foundation.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE
				*/

				#ifndef _WTAPCTL_H_
				#define _WTAPCTL_H_

				struct cmd {
				const char *c_name;
				const int c_arg_flag;
				#define ARG_NOARG 0xfffffffb
				#define ARG_NEXTARGOPT 0xfffffffc
				#define ARG_NEXTARG 0xfffffffd
				#define ARG_NEXTARG2 0xfffffffe
				#define ARG_NULL 0xffffffff
				union {
				void (c_func_noarg)(const struct cmd );
				void (c_func_arg)(const struct cmd , int);
				void (c_func_arg2)(const struct cmd , int, int);
				} c_u;
				#define c_func_noarg c_u.c_func_noarg
				#define c_func_arg c_u.c_func_arg
				#define c_func_arg2 c_u.c_func_arg2
				};

				#define CMD_SENTINEL { NULL, ARG_NULL, { NULL } }

				#define DEF_CMD_NOARG(name, func) { \
				.c_name = (name), \
				.c_arg_flag = ARG_NOARG, \
				.c_func_noarg = (func) \
				}

				#define DEF_CMD_ARGOPT(name, func) { \
				.c_name = (name), \
				.c_arg_flag = ARG_NEXTARGOPT, \
				.c_func_arg = (func) \
				}

				#define DEF_CMD_ARG(name, func) { \
				.c_name = (name), \
				.c_arg_flag = ARG_NEXTARG, \
				.c_func_arg = (func) \
				}

				#define DEF_CMD_ARG2(name, func) { \
				.c_name = (name), \
				.c_arg_flag = ARG_NEXTARG2, \
				.c_func_arg2 = (func) \
				}

				#define WTAP_DEV_NODE "/dev/wtapctl"
				#define VIS_DEV_NODE "/dev/visctl"

				#endif /* _WTAPCTL_H_ */